Aldehydes. 624 



MeTIHL ETIIEIl 



(Vanillin). 



Guyot et Gry. 75747. Quelques syn- 

 thases nouvelles de vanilline. 



Tiffeneau. 80886. Vanille et vanil- 

 line. 



Torrey & Clarke. 80933. Vanilli- 

 dene- and piperonylenebenzidines. 



Carbomethoxi/ derivative 

 C02Me.O.C6H3(()Me).CHO 



Fischer. A., 372, (07). 



Vanilloylvanillin 

 HO.C6H3(OMe).CO.O.C6H3(OMe).CHO 



and its caibonietboxy derivative. 

 Fischer u. Freudenberg. A., 372, (61). 



Dimethyl ether. 



Nitro dei'ivative 



NO,.C6H2(OMe)2.CHO [2:4:5:1] 



Oxime and dinielhylacetal 



NOj.C6H2(OMe)2.Clf(OMe)2 



Bamberger n. Elger. A., 371, (335). 



Methylene ether 

 {Piperonal). 



Blanksma. 73423. Tiperonylidendi- 

 azetat. [CeHjOjCH^.Cl^OCOCHs) 1.2.4] 



Schut. 80199. Zersetznng von 

 Piperonal durcli Erhitzen mit ver- 

 diinnter Salzsaure. (liollandisch.) 



WeiBse. 81455. Einwirknng von 

 Schwefelcliloriir nnd Siilfiiiylchlorid auf 

 Piperonal. 



ALDEHYDE CbHbOs 



Dimethyl ether. 



IJomoveratric aldehyde 



(MeO)2C6H3.CH2.CHO 



And the oxime. 



Mannich u. Jacobsohn. B., 43, (196). 



ALDEHYDE C9H10O3 



Dioxyhydratropic aldehyde. 



Diacetate of the methylene ether 

 CH2 : 0., : CeH3.CHMe.CH(OAc)2 

 Tiflfeneau. C.R., 150. (1182). 



BENZENOID ALDEHYDES WITH 

 FOUR OXYGEN ATOMS. 



ALDEHYDE CnHjn-aO* 

 ALDEHYDE CHeO^ 



Trioxybenzoic aldehyde. 



Trimethyl ether. 

 Sz^ki. 80734. Einige anoiinale 

 Eigenschaften des Asarylaldehyds. 



1430 



ALDEHYDE CHzn-isO* 

 ALDEHYDE C,6H,4 04 



Hydrobenzom di-o-carboxylic alde- 

 hyde i.cii{OR).CsH,.cm], 



Thiele u. Weitz. A., 377, (18). 



1440 REDUCED BENZENOID 

 AND C'-YCLIC-ALS OTHER 

 THAN BENZENOID-ALS. 



Bouveault et Levallois. 73646. La 

 constitution de la fenchone. 



Gomberg u. Cone. 75518. Triphenyl- 

 methyL Chinocarboniunisalze. 



Semmler. 80254. Exksantalsanre 

 CigHigOj, Elvsantalal CjaHisO und Deri- 

 vate. 



ALDEHYDES WITH ONE OXYGEN 

 ATOM. 



ALDEHYDE CtHioO 



A^-Cyclohexene aldehyde 



(Tetrahydrobenzaldehyde). 

 Sobecki. B.. 43, (1038). 



ALDEHYDE dHisO 



Hydropinene carboxaldehyde 



CH2.CH CHj 



I >CMe2 I 

 CH2.CMe CH.CHO 



Houben & Doescher. B., 43, (3435). 

 ALDEHYDE CnHieO 



Noreksantalal- 



The semicarhazone and enolacetate. 

 Semmler n. Zaar. B., 43, (1890). 



ALDEHYDE CuHjoO 



Formyl-fluorene 



(Diphenyleneacetaldehyde). 



CeH, 



I 

 CfiHi 



\n 



CH.CHO 



Sodium bisuliAite and acetyl com- 

 pounds, oximes, pyrazones, etc. 



Wislicenus u. Russ. 81027. 



ALDEHYDE C28H18O2 



Dibiphenylene-succmic aldehyde 



I >C(CHO)- 



Wislicenus u. Russ. B., 43, (2734). 



